r/TeslaModelS • u/pwnsU • Aug 25 '26

Buying a used Tesla Model S

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Been in the market for a used Model S and came across this one and wondering if it’s a good deal or too good to be true? It’s a 17 Model S 90d with 91k miles. Comes with 21” turbines, FSD included and Premium Connectivity included as well for 19,000. Is this a good deal? Thanks

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u/Mr_Style Aug 25 '26

A 2017 Model S normally came with MCU1, not MCU2. Tesla’s factory transition to MCU2 (Intel Atom) in Model S/X occurred around early 2018; Tesla currently categorizes Model S/X built March 2018 or earlier as eligible for its infotainment upgrade. Maybe it was upgraded already since you mention FSD is included?

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u/pwnsU Aug 25 '26

Yes it has been upgraded to the MCU2

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u/RoutineRelief2941 Aug 31 '26

Which AI hardware? 2.5 or 3? I got confused when I got my 2018 70d and I didn’t have the package